class Calculator:
    @classmethod
    def add(self,*nums):
        sum = 0
        for i in nums:
            sum += i
        return sum,f'{nums}的和为{sum}'

class jian:
    @classmethod
    def add(self,*nums):
        sum = 0
        for i in nums:
            sum += i
        return sum,f'{nums}的和为{sum}'

aa = Calculator.add(2,3,4,5,6)
print(aa)